申请人:NIPPON KAYAKU KABUSHIKI KAISHA
公开号:EP1885015A1
公开(公告)日:2008-02-06
The invention relates to a photoelectric conversion device, using oxide semiconductor fine particles sensitized with a methine dye represented by the following formula (1) and a solar cell using the same, and a solar cell high in conversion efficiency can be obtained at low cost:
in the formula (1), n represents an integer of 0 to 7; R1 represents an optionally-substituted aromatic residue or optionally-substituted aliphatic hydrocarbon residue, or an acyl group; X represents an optionally-substituted hydrocarbon residue which has 2 to 4 carbon atoms; Y represents a hydrogen atom, an optionally-substituted aromatic residue or aliphatic hydrocarbon residue, a carboxyl group or the like, and preferably represents a carboxyl group; Z represents an optionally-substituted aromatic residue or aliphatic hydrocarbon residue, or an acyl group; A1, A2 and A3 each independently represent a hydrogen atom, an optionally-substituted aromatic residue or aliphatic hydrocarbon residue or the like, and preferably represent a hydrogen atom; and a benzene ring a may have substituent(s) other than those shown in the above formula.
本发明涉及一种光电转换装置,该装置使用了用下式(1)表示的甲胺染料敏化的氧化物半导体微粒和使用该微粒的太阳能电池,可以低成本获得转换效率高的太阳能电池:
式(1)中,n 代表 0 至 7 的整数;R1 代表任选取代的芳香族残基或任选取代的脂肪族烃残基或酰基;X 代表具有 2 至 4 个碳原子的任选取代的烃残基;Y 代表氢原子、任选取代的芳香族残基或脂肪族烃残基、羧基等,最好代表羧基;Z代表任选取代的芳香残基或脂肪烃残基,或酰基;A1、A2 和 A3 各自独立地代表氢原子、任选取代的芳香残基或脂肪烃残基或类似物,最好代表氢原子;苯环 a 可具有除上式所示取代基以外的取代基。